"""Shared test fixtures (SQLite memory DB session factory)."""

from __future__ import annotations

from collections.abc import AsyncGenerator

import pytest_asyncio
from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker, create_async_engine

import app.db.models  # noqa: F401  # register ORM tables on Base.metadata
from app.db.base import Base


@pytest_asyncio.fixture
async def sqlite_session_factory() -> AsyncGenerator[async_sessionmaker[AsyncSession], None]:
    """In-memory SQLite + create_all; yields async_sessionmaker suitable for injection."""
    engine = create_async_engine("sqlite+aiosqlite:///:memory:")
    async with engine.begin() as conn:
        await conn.run_sync(Base.metadata.create_all)
    factory = async_sessionmaker(
        engine,
        class_=AsyncSession,
        expire_on_commit=False,
        autoflush=False,
        autobegin=False,
    )
    yield factory
    await engine.dispose()